Watt's linkage
Four-bar straight-line mechanism
Watt's linkage
A Watt's linkage is a type of mechanical linkage, invented by James Watt, in which the central moving point of the linkage is constrained to travel a nearly straight path. Watt described the linkage in his patent specification of 1784 for the Watt steam engine. Today it is used in automobile suspensions, where it is key to a suspension's kinematics, i.e., its motion properties, constraining the vehicle axle's movement to nearly vertical travel, limiting horizontal motion.
Read on Wikipedia · Image Arglin Kampling, CC BY-SA 4.0
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